Symptoms - Keyless Entry. Chevrolet PJJ 2000

For 1990-2009 cars

Important: The following steps must be completed before using the symptom tables.

1. Perform the Diagnostic System Check - Remote Keyless Entry before using the Symptom Tables in order to verify that all of the following are true:

• | There are no DTCs set.

• | The control module(s) can communicate via the serial data link.

2. Review the system operation in order to familiarize yourself with the system functions. Refer to:

• | Keyless Entry System Operation

• | Keyless Entry System Circuit Description

Ensure that the keyless entry transmitter is at least 12 inches away from the module when attempting to actuate it for proper system operation.

### Visual/Physical Inspection

• | Inspect for aftermarket devices which could affect the operation of the Keyless Entry system. Refer to Checking Aftermarket Accessories in Wiring Systems.

• | Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom.

### Intermittent

Faulty electrical connections or wiring may be the cause of intermittent conditions. Refer to Testing for Intermittent Conditions and Poor Connections in Wiring Systems.

### Symptom List

Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:

• | Lock Function Inoperative with Transmitter

• | Unlock/Trunk Release Function Inoperative with Transmitter

• | Keyless Entry Does Not Program

• | Keyless Entry System Inoperative